A. Iron is only found in meat. B. Vegetarians cannot get enough iron. C. Iron is important for carrying oxygen in the blood. D. Fruits do not contain any iron. 相关知识点: 试题来源: 解析 C。铁(Iron)对于在血液中携带氧气很重要。铁不仅存在于肉类中,素食者也可以通过豆类、绿叶蔬菜等获得...
Iron ore is an important mineral resource. Which of the following statements about iron ore is correct? A. 系王得往一机越叫声织被却织向次算系王得往一机越叫声织被却织向次算It is a renewable resource系王得往一机越叫声织被却织向次算系王得往一机越叫声织被却织向次算 B. 知资一参通历...
C:the Zhou Dynasty 正确答案:Xian Qin(先秦) 2、Li Shen(李绅) was a poet of the ___ Dynasty. A:Tang B:Song C:Ming 正确答案:Tang 3、Which of the following statements about Su Shi (苏轼) is false? A:He was famous for his poems and calligraphy. B:He experienced ups and downs in ...
Which of the following statements about the Tower is Not True?A.Despite its iron structure, the tower is light in weight.B.The tower is strong against the wind.C.On August 25, 1944, two Parisians hoisted the French national flag on top of the tower in ri
Thus the railroad age sprang from what had already happened in the eighteenth century. 10.According to paragraph 4, which of the following statements about steam engines is true? A. They were used for the production of paper but not for printing. B. By 1800, significant numbers of them ...
(b) Iron is a transition element.(i) Which two of the following statements about iron are correct?Tick two boxes. A freshly-cut surface of iron is green in colour.Iron exists in only one oxidation state in its compounds.Iron has a high density.Iron has a giant covalent structure.Iron ...
When it comes to sustainable development, which of the following statements about recycling metal is correct? A. Recycling metal is only important for the economic aspect because it can make more profit. B. It helps the environmental aspect as it reduces the need for mining, which can cause ...
Which of the following statements about the polarity of covalent bonds is correct? a) Small elements with 6 or 7 electrons are electron-hungry and usually become electronegative after attracting elec Which is correct about antioxidants? a. Found in fruits. b. Donate electr...
1.Paragraph 1 supports which of the following statements about fish evolution? A. Lobe-finned fish were among the earliest types of fish to appear. B. Fish began living in freshwater habitats only after originating elsewhere. C. Lobe-finned fish radiated into almost all available aquatic habita...
2.Paragraph 1 supports which of the following statements about the origins of Earth? A. Earth formed from debris surrounding the Sun B. Earth was disk-shaped in the earliest stage of its formation. C. Earth formed from a large mass that did not collide with debris. D. Earth formed af...